An autoimmune condition of the thyroid gland (a gland located beneath the larynx). It is caused by the formation of antibodies that attack the thyroid gland and … [Read more...]
H
Hashimoto thyroiditis
An autoimmune condition of the thyroid gland (a gland located beneath the larynx). It is caused by the formation of antibodies that attack the thyroid gland and … [Read more...]
Havrix
(Other name for: hepatitis A vaccine) … [Read more...]
hawthorn fruit
The fruit of the hawthorn tree or bush. It has been used in some cultures to treat certain medical problems, including heart problems and gastrointestinal … [Read more...]
hazard ratio
A measure of how often a particular event happens in one group compared to how often it happens in another group, over time. In cancer research, hazard ratios … [Read more...]
HCA
A chemical that is formed when meat, poultry, or fish is cooked at high temperatures, such as frying, broiling, and barbecuing. HCAs are carcinogens (substances … [Read more...]
HCD20
A substance being studied in the treatment of several types of lymphoma. It binds to the protein CD20, which is found on B cells (a type of immune system cell) … [Read more...]
HCP
Healthcare proxy. A type of advance directive that gives a person (such as a relative, lawyer, or friend) the authority to make healthcare decisions for another … [Read more...]
hCRF
A substance being studied in the treatment of brain cancer. It is made naturally by the hypothalamus (a part of the brain) and can also be made in the … [Read more...]
HDAC
An enzyme that removes a small molecule called an acetyl group from histones (proteins found in chromosomes). This changes the way … [Read more...]